:root {
  --bg: #000;
  --bg-2: #0a0a0a;
  --ink: #f5f5f5;
  --muted: #c0c0c0;
  --water: #f5f5f5;
  --water-2: #fff;
  --sun: #c0c0c0;
  --stone: #a8a8a8;
  --card: #050505;
  --line: #8a8a8a;
  --line-strong: #c0c0c8;
  --danger: #ff7a7a;
  --ok: #e8e8e8;
  --chart-pool: #3ee0d4;
  --chart-air: #f0c75e;
  --chart-spa: #c9a0ff;
  --chart-evap: #ff8a6a;
  --chart-fill: #3ee0d4;
  --chart-manual: #f0c75e;
  --chart-other: #8ab4ff;
  --shadow: none;
  --radius: 14px;
  --font: "Figtree", "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; color-scheme: dark; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}
a { color: var(--water); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.kicker, .eyebrow {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sun);
  font-weight: 650;
}
h1, h2, h3 { font-family: var(--display); font-weight: 560; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.28rem; margin-bottom: 0.35rem; }
h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }

.preview-banner {
  background: #000;
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid var(--line);
}

.top {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  max-width: calc(var(--max) + 2.4rem);
  margin: 0 auto;
  padding: 0.9rem 1.2rem 0.2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  font-family: var(--display);
  font-size: 1.35rem;
}
.brand:hover { text-decoration: none; }
.mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-strong);
}
.nav { display: flex; gap: 0.15rem; flex: 1; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.42rem 0.75rem;
  border-radius: 999px;
  font-weight: 550;
  font-size: 0.92rem;
}
.nav a:hover { border-color: var(--line-strong); text-decoration: none; }
.nav a { border: 1px solid transparent; }
.nav a.active { border-color: var(--line-strong); color: #fff; }
.top-end { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.nav-toggle { display: none; }

.page { max-width: var(--max); margin: 0 auto; padding: 0.4rem 1.2rem 3rem; }
.page-head { margin: 0.6rem 0 1.1rem; }
.page-head p { margin: 0.2rem 0 0; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 0.95rem;
  border-radius: 11px;
  border: 1px solid transparent;
  font: inherit; font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
}
.btn-primary { background: #fff; color: #000; }
.btn-primary:hover { background: var(--muted); }
.btn-secondary { border-color: var(--line-strong); background: transparent; color: #fff; }
.btn-ghost { color: var(--muted); }
.btn-sm { padding: 0.28rem 0.55rem; font-size: 0.82rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.15rem;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }
.stack { display: grid; gap: 0.75rem; }

.hero { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 0.85rem; }
.hero-number {
  font-family: var(--display);
  font-size: clamp(3.2rem, 7vw, 5.2rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.hero-number small { font-size: 0.32em; color: var(--muted); margin-left: 0.2rem; }
.hero-meta { margin-top: 0.65rem; color: var(--muted); }

.stat { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.92rem; padding: 0.22rem 0; }
.stat span { color: var(--muted); }
.stat b { font-weight: 600; }

.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.85rem; }
.chip {
  font-size: 0.78rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.chip.warn, .chip.rain { color: #fff; border-color: var(--line-strong); }

.day-strip { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0.45rem; }
.day-card {
  padding: 0.65rem 0.55rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  min-width: 0;
}
.day-card.today { border-color: #fff; }
.day-card .d { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.day-card .g { font-family: var(--display); font-size: 1.3rem; margin: 0.2rem 0 0.05rem; }
.day-card .w { font-size: 0.75rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.pill {
  font-size: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  background: transparent;
  color: var(--muted);
  white-space: nowrap;
}
.pill.on { color: #3ddc84; border-color: #3ddc84; }

.point-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 0.5rem;
}
.ptile {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.6rem 0.7rem;
  background: transparent;
}
.ptile.on { border-color: #3ddc84; color: #3ddc84; }
.ptile .plabel { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.ptile.on .plabel, .ptile.on .pval { color: #3ddc84; }
.ptile .pval { font-family: var(--display); font-size: 1.15rem; margin-top: 0.15rem; }

.range-bar { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0.3rem 0 0.7rem; }
.range-bar button {
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.range-bar button.active { background: #fff; color: #000; border-color: #fff; }

.chart-wrap { overflow-x: auto; }
.chart-wrap svg { display: block; width: 100%; height: auto; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 0.8rem; font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
.chart-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 0.3rem; }

table.data { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data th, table.data td { text-align: left; padding: 0.42rem 0.35rem; border-bottom: 1px solid var(--line); }
table.data th { color: var(--muted); font-weight: 550; font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 0.8rem; }

.notice {
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.notice.ok { border-color: var(--line-strong); color: #fff; }

label { display: flex; flex-direction: column; gap: 0.28rem; font-size: 0.82rem; color: var(--muted); font-weight: 550; }
input, select, textarea {
  font: inherit; color: #fff;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #fff;
}
.form-error { color: var(--danger); font-size: 0.88rem; margin: 0.4rem 0 0; }
.empty { color: var(--muted); padding: 1rem 0.2rem; text-align: center; }

.live-session { border-color: #3ddc84; }
.state-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--line); margin-right: 0.35rem; }
.state-dot.open { background: #3ddc84; }
.cmd-auto { color: #fff; }
.cmd-manual { color: var(--muted); }

.pool-viz {
  height: 180px; border-radius: 18px; position: relative; overflow: hidden;
  background: #000; border: 1px solid var(--line);
}
.pool-shape {
  position: absolute; inset: 22px;
  background: #111;
  border: 1px solid var(--line-strong);
}
.pool-shape.rectangle { border-radius: 18px; }
.pool-shape.oval, .pool-shape.circle { border-radius: 50%; }
.pool-shape.circle { left: 22%; right: 22%; }
.pool-shape.kidney { border-radius: 55% 45% 50% 50% / 45% 55% 45% 55%; }
.pool-shape.lazy_l { clip-path: polygon(0 0, 62% 0, 62% 48%, 100% 48%, 100% 100%, 0 100%); border-radius: 0; }
.pool-shape.custom { border-radius: 28% 40% 32% 48%; }
.pool-caption { position: absolute; left: 16px; bottom: 12px; font-size: 0.8rem; color: #c0c0c0; }

.hour-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(56px, 1fr); gap: 0.35rem; overflow-x: auto; }
.hour { border: 1px solid var(--line); border-radius: 10px; padding: 0.4rem 0.3rem; text-align: center; font-size: 0.72rem; background: transparent; }
.hour b { display: block; font-size: 0.95rem; margin: 0.12rem 0; }
.hour.now {
  border-color: var(--chart-pool);
  background: #071617;
  color: #fff;
  box-shadow: inset 0 0 0 1px var(--chart-pool);
  scroll-margin-inline: 16px;
}
.hour.now b { color: var(--chart-pool); }
.day-picks { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.35rem; }
.day-picks label {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0.32rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
}
.day-picks label.on { border-color: var(--chart-pool); color: #fff; }
.day-picks input { accent-color: var(--chart-pool); }

.meter { height: 8px; border-radius: 99px; background: #1a1a1a; border: 1px solid var(--line); overflow: hidden; }
.meter > i { display: block; height: 100%; background: #c0c0c0; width: 0; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: grid; place-items: center;
  padding: 1rem; z-index: 40;
}
.modal[hidden] { display: none; }
.modal-card { width: min(560px, 100%); padding: 1.2rem; background: var(--card); border-radius: var(--radius); border: 1px solid var(--line); }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }

.vsp-conf {
  margin: 0.7rem 0;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  background: #000;
  color: #c0c0c0;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  overflow-x: auto;
}
.vsp-missing { margin: 0.5rem 0 0; padding-left: 1.15rem; font-size: 0.88rem; }
.dl-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.6rem; }
.hit-kind {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 0.4rem;
}

section, .view-stack { display: grid; gap: 0.85rem; }

.design-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 0.85rem;
  align-items: start;
}
.design-canvas {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #000;
  min-height: 460px;
  padding: 0.6rem;
  touch-action: none;
  user-select: none;
}
.design-canvas svg { display: block; width: 100%; height: auto; cursor: default; }
.design-hint { font-size: 0.82rem; color: var(--muted); margin: 0.45rem 0 0; }
.design-panel .hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.2rem 0 0.55rem;
  line-height: 1.4;
}
.design-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 1.1rem;
  max-height: 78vh;
  overflow: auto;
}
.design-panel h3 { margin: 1rem 0 0.45rem; font-size: 0.95rem; }
.design-panel h3:first-child { margin-top: 0; }
.slide {
  display: grid;
  grid-template-columns: 1fr 4.2rem;
  gap: 0.4rem;
  align-items: center;
  margin: 0.35rem 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.slide span { grid-column: 1 / -1; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.7rem; }
.slide input[type="range"] { accent-color: #c0c0c0; width: 100%; }
.slide input[type="number"] { padding: 0.28rem 0.35rem; }
.feature-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
  margin: 0.45rem 0;
}
.design-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem 0.8rem; margin-top: 0.5rem; font-size: 0.82rem; }
.dim-label { fill: #c0c0c0; font-size: 0.9px; font-family: var(--mono); }

@media (max-width: 860px) {
  .top { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .top-end { width: 100%; justify-content: space-between; margin-left: 0; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #000;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 0.35rem;
  }
  .nav.open { display: flex; }
  .hero, .grid-2, .grid-3, .design-layout { grid-template-columns: 1fr; }
  .day-strip { grid-template-columns: repeat(2, 1fr); }
  .design-panel { max-height: none; }
}